Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2015 1 16.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2015   22:46:06   ( -77.42, -95.28) 01/16/2015   22:45:05  ( -77.41, -95.39)    2.85                61
 01/16/2015   23:35:14   (  78.22,  75.90) 01/16/2015   23:35:30  (  78.21,  75.87)    0.86                16
 01/19/2015   15:02:25   ( -77.93,  22.80) 01/19/2015   15:01:42  ( -77.94,  22.90)    2.39                43
 01/19/2015   15:51:42   (  78.32,-167.72) 01/19/2015   15:52:17  (  78.32,-167.78)    1.50                35
 01/22/2015   07:18:51   ( -78.04, 139.17) 01/22/2015   07:18:28  ( -78.04, 139.22)    1.18                23
 01/22/2015   08:08:07   (  78.46, -51.11) 01/22/2015   08:09:02  (  78.45, -51.22)    2.67                55
 01/24/2015   22:50:22   (  63.69,  60.47) 01/24/2015   22:49:10  (  63.93,  58.77)   87.64                72
 01/24/2015   23:35:16   ( -78.19,-104.24) 01/24/2015   23:35:14  ( -78.18,-104.27)    0.57                 2
 01/25/2015   00:23:24   (  80.96,  84.98) 01/25/2015   00:24:38  (  80.73,  85.43)   26.97                74
 01/27/2015   15:02:22   (  77.92,-157.22) 01/27/2015   15:01:24  (  77.93,-157.10)    2.89                58
 01/27/2015   15:51:42   ( -78.25,  11.93) 01/27/2015   15:52:02  ( -78.24,  11.81)    2.76                20
 01/30/2015   07:18:47   (  77.98, -41.06) 01/30/2015   07:18:12  (  77.98, -41.07)    0.18                35